A stone is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by h(t) =-1.5t2 + 6t +9. (a)How long does it take to reach maximum height? (b) Find the maximum height the stone reaches.

A stone is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by h(t) =-1.5t2 + 6t +9. (a)How long does it take to reach maximum height? (b) Find the maximum height the stone reaches.

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter3: Polynomial And Rational Functions

Section3.1: Quadratic Functions And Models

Problem 51E: Height of a Ball If a ball is thrown directly upward with a velocity of 40 ft/s, its height (in...

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